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A103770 formatted as a simple table:

n a(n)
0 1
1 1
2 4
3 16
4 37
5 121
6 376
7 1072
8 3289
9 9889
10 29404
11 88672
12 265885
13 796537
14 2392240
15 7174816
16 21520369
17 64574977
18 193709428
19 581117680
20 1743420757
21 5230158649
22 15690480040
23 47071742800
24 141214610761
25 423644159521
26 1270933677004

[1,1,4,16,37,121,376,1072,3289,9889,29404,88672,
 265885,796537,2392240,7174816,21520369,64574977,
 193709428,581117680,1743420757,5230158649,
 15690480040,47071742800,141214610761,423644159521,
 1270933677004]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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